Louis



L. R.'ACCORNERO AND A. GAYDOU. LANDING DEVICE FOR AEROPLANES.

APPLICATION men JULY 2, 1918.

1 ,3 1 2,507. Patented Aug. 12, 1919.

U TED STATES ra'rnn nours itacoonnnno am) ADOLPHE egAYnoU, or NEW YORK, n. Y.

1,312,507. v flriginal application filed March 5, i918, p 4 l Serial No;

To aZZwh-o'm it mdy'concern: Be it known that We, LOUIS R. ACcoRNERo; andADoLrHE GAYooU, 'citizens of the United States, residing at New York, in the'county ,ofNew York and State'of NewYork, have.'

V invented certain newand useful Improve ments iin Landing Devices for Aeroplanes,

- plication filed of which the following is-a specification.- I ,This inventionirelates to aeroplanes and, constitutes'a division of our copend1ngIap- The object ofthepresent 'invention is ito provide a novellanding meansffor an aeroplane and'more particularly, ,foran aeroplane of that type which are designed .to ascend directly vertically from the starting,

position and to likewise descend vertically. Therefore, the chief object of the invention is to provide highly eflicie'nt shock absorbing means designed to cushion the aeroplane as it reaches the ground surface so that although the descent of the aeroplane may be rapid the passengers and equipment of the plane will not be subjected to injurious shock or jar as the f aeroplane reaches the ound. 1 a In'the. accompanying drawings:

Figure l is a view in'elevation of the lowe portion of the aeroplane .of our invention,-

. illustrating the landing device forming the V substantially on the line 52-52 of Fig. 1 and 3,5

7 subject of the present divisional invention,

Fig.2 is a horizontal sectional View taken looking in a downward direction. 7

In the drawings the numeral 1 indicates in general the body of the aeroplane, the

body comprising a number of cars 2 having bottoms 3. As before indicated, by suitable propeller mechanism, the aeroplane is'to be caused to ascend directly vertically from a standing position and is adapted likewise to descendfvertically, and in-order, as before I Specification of Letters men.

Marchb, 1918, Serial No.

' LANDING DEVICE ror. AERoPLan'Es.

and are secured to the under sides .of the bottoms of the respective cars'2. The-legs 5 arepreferably in the nature ofcoiled compression springs "which are seated and secured at their lower ends in sockets 6 at the 3 Patented Aug. as, rare. Serial, to; 220,636. Divided Ma his application filed July 2, 1918.

' I upwardly from therespective foot members a four corners of the respective feet 4, and the said legs,'fromthe said sockets 6, are led upwardly along converging lines I and secured together. by suitable tie members, as

indicated by. the numeral. 7, the upper ends of the legs being securedin suitable sockets 8 upontheunder sides'of'the bottoms of the respective cars. Thusnotronly do the legs 5 serve to cushionthecars when the feet 4 str1ke the ground surface, due. to the fact that they are inathe nature "of compression spr1ngs,"but this cushioning and shock absorbing quality is greatly enhanced by rea-' son of the-factthat the legs 5 instead of extending vertically between the feet 4 and thefioors-of. the respective'cars, are twisted outno f vertical alinement, as shown'in the drawings,-so that they are placed under-torsional as well as under compressive. stress upon impact; of the feet with th' ground .su rf: ice. v

, It will also be'understood from the foregoing that should the machine descend with a" slight drift in any direction, the legs 5 by reason of their peculiar arrangement, will serve to bring-the machine to an equilibrium much-more quickly than 1f the said legs extended directly vertically.

Having thus'described the invention, What is claimed as new is: I v

1. In anaeroplane, a body, and a cushioning means for the said body comprising an impact footyand compression springs secured at their lower ends to'the said foot and. at their upper ends to the bottom of the body, the said springs being distorted out of vertical alinement.

2. In an aeroplane,a body, and a cushioning means for the said body comprising an impact foot, and compression sprlngs secured attheir lower ends to the said foot and at their upper ends to-the bottom of the body, the said springs being distorted out of vertical alinement and adjacent springs being secured together at their relatively adacent portions.

3. In an aeroplane, a. body, and a cushi0n-. vertical alinement, and tie members connecting means for the sald body comprislng an 111g adjacent ones ofthe springs.

impact foot, and compression springs se- In testimony whereof we afiix our signacured at their lower ends to the said foot tures. V 5 and at their upper ends to the bottom of the LQUISZR. ACCORNERO. [1,. s.]

body, the said springs being distorted out of ADOLPHE GAYDOU. [I s.] 

